paper

The p_T Spectrum in Heavy-Flavour Photoproduction

arXiv:hep-ph/0102134 · doi:10.1088/1126-6708/2001/03/006

Abstract

We consider the transverse-momentum distribution of heavy flavours in photon-hadron collisions. We present a formalism in which large transverse-momentum logarithms are resummed to the next-to-leading level, and mass effects are included exactly up to order alpha_em alpha_s^2, so as to retain predictivity at both small and large transverse momenta. Phenomenological applications relevant to charm photoproduction at HERA are given.

arXiv comment26 pages, Latex, epsfig, 15 figures. Submitted to JHEP

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